小红的口罩
import java.util.;

 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int k = in.nextInt();
        PriorityQueueInteger queue = new PriorityQueue();
        for (int i = 0; i  n; i++) {
            queue.add(in.nextInt());
        }
        int tmp = 0;
        int count = 0;
        while (tmp = k) {
            int a = queue.peek();
            if (a+tmp  k) {
                break;
            }
            tmp += a;
            count++;
            queue.poll();
            queue.add(2a);
        }
        System.out.println(count);
    }
}